How do you create a 3D Model to be uploaded and viewed by HTC Vive
There is an plugin but it does not seem to have been updated in the last 4 months. 

That said the video is amazing, though it is only head tracking in room-space no controllers. You can always get the source code.

https://github.com/cedeon/virtual_reality_viewport/tree/vivetest

http://uploadvr.com/blenders-open-source-software-just-got-makeshift-vr-support/